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Figure 2
The mol­ecular packing of (I)[link] viewed along the a axis. Dashed lines indicate hydrogen bonds. H atoms not involved in hydrogen bonding have been omitted. In the electronic version of the paper, C atoms of mol­ecules A, B and C have been coloured in black, grey and white, respectively. A hydrogen-bonded helix has been highlighted by the twisted tape (yellow and red).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 8| July 2011| Pages o278-o282
doi:10.1107/S0108270111022293
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